Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model.

NEW YORK ( TheStreet) -- USG (NYSE: USG) is trading at unusually high volume Wednesday with 3.1 million shares changing hands. It is currently at two times its average daily volume and trading down $1.38 (-4.6%) at $28.54 as of 12:21 p.m. ET.

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USG has a market cap of $3.14 billion and is part of the industrial goods sector and materials & construction industry. Shares are up 4.1% year to date as of the close of trading on Tuesday.

USG Corporation, through its subsidiaries, engages in the manufacture and distribution of building materials worldwide.

TheStreet Ratings rates USG as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations and solid stock price performance. However, as a counter to these strengths, we also find weaknesses including disappointing return on equity, generally higher debt management risk and poor profit margins. You can view the full USG Ratings Report.